distance
What metric unit would you use to measure a computer keyboard
I would use meters
Metres or kilometres in metric; yards or miles in Imperial
meters
Meters should be used to measure the length of a tennis court in metric units.
You would use meters.
Feet would be nice, or meters where the metric system reigns.
meters
meters
Depending on your location, it might be difficult to come up with a meter stick or a tape measure that displays centimeters and meters. It's probably better to measure it in feet and inches and convert it to metric mathematically.
A door is about 2 meters, but most likely you'd measure in centimeters.
Meters.